In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from DCA to KEF?

When flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Keflavik Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$291+ Flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport

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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Sun 12/147:30 amDCA - KEF

1 stop9h 15mMultiple Airlines

Sat 12/209:55 amKEF - DCA

1 stop29h 40mMultiple Airlines

Deal found 12/2

$661

Sun 12/77:30 amDCA - KEF

1 stop9h 15mMultiple Airlines

Thu 12/115:00 pmKEF - DCA

1 stop20h 05mMultiple Airlines

Deal found 12/2

$670

Sun 12/77:30 amDCA - KEF

1 stop9h 15mMultiple Airlines

Sat 12/139:55 amKEF - DCA

1 stop16h 08mMultiple Airlines

Deal found 12/2

$692

Thu 12/47:25 amDCA - KEF

1 stop9h 20mMultiple Airlines

Thu 12/115:00 pmKEF - DCA

1 stop20h 05mMultiple Airlines

Deal found 12/3

$697

Sat 12/64:15 pmDCA - KEF

1 stop24h 30mMultiple Airlines

Sat 12/139:55 amKEF - DCA

1 stop16h 08mMultiple Airlines

Deal found 12/3

$699

Sun 12/147:30 amDCA - KEF

1 stop9h 15mMultiple Airlines

Sun 12/219:55 amKEF - DCA

1 stop15h 55mMultiple Airlines

Deal found 12/3

$702

Sat 12/64:15 pmDCA - KEF

1 stop24h 30mMultiple Airlines

Wed 12/105:00 pmKEF - DCA

1 stop26h 44mMultiple Airlines

Deal found 12/2

$711

Thu 12/47:25 amDCA - KEF

1 stop9h 20mMultiple Airlines

Wed 12/105:00 pmKEF - DCA

1 stop22h 05mMultiple Airlines

Deal found 12/2

$722

Wed 12/38:35 pmDCA - KEF

1 stop20h 10mMultiple Airlines

Wed 12/105:00 pmKEF - DCA

1 stop20h 05mMultiple Airlines

Deal found 12/2

$738

Sun 12/147:30 amDCA - KEF

1 stop9h 15mIcelandair

Wed 12/179:55 amKEF - DCA

1 stop11h 05mIcelandair

Deal found 12/1

$744

Tue 12/302:00 pmDCA - KEF

1 stop11h 05mMultiple Airlines

Mon 1/125:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/4

$755

Best flights from Reagan-National to Keflavik Intl
Discover carefully curated flight deals from Reagan-National to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Sat 1/3111:10 amDCA - KEF

2 stops31h 10mScandinavian Airlines

Tue 2/311:30 amKEF - DCA

2 stops40h 18mScandinavian Airlines

Deal found 12/3

$516

Sun 4/125:05 pmDCA - KEF

1 stop12h 25mDelta

Sun 4/2611:25 amKEF - DCA

1 stop10h 46mDelta

Deal found 12/3

$537

Sat 4/113:50 pmDCA - KEF

2 stops13h 40mKLM

Sat 4/1811:25 amKEF - DCA

2 stops13h 54mKLM

Deal found 12/2

$542

Thu 5/143:10 pmDCA - KEF

1 stop11h 50mMultiple Airlines

Sun 5/2411:25 amKEF - DCA

1 stop10h 46mMultiple Airlines

Deal found 12/2

$610

Sat 4/111:40 pmDCA - KEF

2 stops15h 50mDelta

Sat 4/1811:25 amKEF - DCA

1 stop15h 47mDelta

Deal found 12/2

$542

Thu 2/1211:06 amDCA - KEF

2 stops18h 39mScandinavian Airlines

Tue 2/175:35 pmKEF - DCA

2 stops33h 37mScandinavian Airlines

Deal found 12/3

$550

Fri 4/173:05 pmDCA - KEF

2 stops14h 25mDelta

Sat 4/2511:25 amKEF - DCA

2 stops15h 26mDelta

Deal found 12/2

$542

Fri 5/811:00 amDCA - KEF

1 stop18h 30mKLM

Sat 5/169:30 amKEF - DCA

1 stop17h 58mKLM

Deal found 12/3

$610

Wed 4/112:01 pmDCA - KEF

2 stops17h 39mScandinavian Airlines

Mon 4/66:25 pmKEF - DCA

2 stops32h 11mScandinavian Airlines

Deal found 12/2

$592

Tue 4/712:01 pmDCA - KEF

2 stops17h 39mScandinavian Airlines

Fri 4/177:40 amKEF - DCA

2 stops19h 32mScandinavian Airlines

Deal found 12/2

$608

Mon 5/113:10 pmDCA - KEF

1 stop11h 50mDelta

Sat 5/238:50 amKEF - DCA

1 stop11h 39mDelta

Deal found 12/2

$610

Fri 5/83:10 pmDCA - KEF

1 stop11h 50mDelta

Thu 5/149:30 amKEF - DCA

1 stop12h 30mDelta

Deal found 12/2

$610

Last-minute flights from Reagan-National to Keflavik Intl
Discover last-minute flight deals from Reagan-National to Keflavik Intl. Data last updated December 4, 2025 and is based on user searches.

Wed 1/710:05 amDCA - KEF

1 stop15h 00mMultiple Airlines

Wed 1/145:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/2

$561

Fri 1/911:10 amDCA - KEF

2 stops18h 30mScandinavian Airlines

Tue 1/137:35 amKEF - DCA

2 stops20h 13mScandinavian Airlines

Deal found 12/3

$546

Sat 1/1011:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Wed 1/147:35 amKEF - DCA

2 stops20h 13mScandinavian Airlines

Deal found 12/1

$556

Sat 1/1011:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Mon 1/127:35 amKEF - DCA

2 stops20h 13mScandinavian Airlines

Deal found 12/2

$578

Sat 1/109:00 amDCA - KEF

1 stop16h 05mMultiple Airlines

Fri 1/165:00 pmKEF - DCA

1 stop29h 04mMultiple Airlines

Deal found 12/3

$580

Wed 1/1411:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Sat 1/1711:25 amKEF - DCA

2 stops40h 23mScandinavian Airlines

Deal found 12/2

$516

Thu 1/1510:25 amDCA - KEF

2 stops31h 55mScandinavian Airlines

Thu 1/2211:30 amKEF - DCA

2 stops40h 18mScandinavian Airlines

Deal found 12/2

$520

Sat 1/1711:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Sun 2/13:40 pmKEF - DCA

2 stops36h 18mScandinavian Airlines

Deal found 12/1

$486

Sat 1/1711:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Sat 1/2411:25 amKEF - DCA

2 stops40h 23mScandinavian Airlines

Deal found 12/3

$513

Sat 1/1711:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Sun 1/183:40 pmKEF - DCA

2 stops36h 08mScandinavian Airlines

Deal found 12/2

$550

Mon 1/1911:10 amDCA - KEF

2 stops23h 15mScandinavian Airlines

Fri 1/233:40 pmKEF - DCA

2 stops36h 19mScandinavian Airlines

Deal found 12/2

$576

Tue 1/203:25 pmDCA - KEF

1 stop9h 40mMultiple Airlines

Sat 1/245:00 pmKEF - DCA

1 stop9h 45mMultiple Airlines

Deal found 12/3

$564

One-way flights from Reagan-National to Keflavik Intl
Search for one-way flight options from Reagan-National to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Sat 1/1711:10 amDCA - KEF

2 stops18h 35mScandinavian Airlines

Deal found 12/2

$291

Tue 3/311:05 amDCA - KEF

2 stops21h 00mMultiple Airlines

Deal found 12/3

$402

Sat 1/173:25 pmDCA - KEF

1 stop9h 40mIcelandair

Deal found 12/2

$408

Sat 1/1711:10 amDCA - KEF

3 stops43h 00mMultiple Airlines

Deal found 12/2

$450

Thu 3/57:00 amDCA - KEF

1 stop18h 05mMultiple Airlines

Deal found 12/3

$461

Sat 3/77:00 amDCA - KEF

1 stop18h 05mMultiple Airlines

Deal found 12/3

$464

Thu 3/197:15 amDCA - KEF

1 stop18h 50mMultiple Airlines

Deal found 12/3

$466

Fri 3/2711:55 amDCA - KEF

1 stop16h 55mMultiple Airlines

Deal found 12/3

$469

Tue 3/177:15 amDCA - KEF

1 stop18h 50mMultiple Airlines

Deal found 12/3

$470

Sun 3/17:00 amDCA - KEF

1 stop18h 05mMultiple Airlines

Deal found 12/3

$471

Mon 3/94:15 pmDCA - KEF

2 stops40h 50mMultiple Airlines

Deal found 12/3

$480

Find flight deals from Reagan-National to Keflavik Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$486 (FlightHub)
One-way from	$291 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$713

Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.

Search Deals

From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

Search Deals

One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($61 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 1/31

11:10 am-11:20 pm

2 stops31h 10m

Reykjavik Keflavik Intl

Tue 2/3

11:30 am-10:48 pm

2 stops40h 18m

$516

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 4/12

5:05 pm-9:30 am

1 stop12h 25m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-6:11 pm

1 stop10h 46m

$537

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 4/11

3:50 pm-9:30 am

2 stops13h 40m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-9:19 pm

2 stops13h 54m

$542

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 4/11

1:40 pm-9:30 am

2 stops15h 50m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-11:12 pm

1 stop15h 47m

$542

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 4/17

3:05 pm-9:30 am

2 stops14h 25m

Reykjavik Keflavik Intl

Sat 4/25

11:25 am-10:51 pm

2 stops15h 26m

$542

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 2/12

11:06 am-10:45 am

2 stops18h 39m

Reykjavik Keflavik Intl

Tue 2/17

5:35 pm-10:12 pm

2 stops33h 37m

$550

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 4/1

12:01 pm-9:40 am

2 stops17h 39m

Reykjavik Keflavik Intl

Mon 4/6

6:25 pm-10:36 pm

2 stops32h 11m

$592

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 4/7

12:01 pm-9:40 am

2 stops17h 39m

Reykjavik Keflavik Intl

Fri 4/17

7:40 am-11:12 pm

2 stops19h 32m

$608

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 5/14

3:10 pm-7:00 am

1 stop11h 50m

Reykjavik Keflavik Intl

Sun 5/24

11:25 am-6:11 pm

1 stop10h 46m

$610

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 5/8

11:00 am-9:30 am

1 stop18h 30m

Reykjavik Keflavik Intl

Sat 5/16

9:30 am-11:28 pm

1 stop17h 58m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 22 results

Compare providers for flights from Reagan-National to Keflavik Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?
Airlines like Scandinavian Airlines, Delta, and KLM fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 12h 25m. The time it takes to get you to your destination can typically vary by up to 18h 45m. Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.
Can I find deals for business class flights from Reagan-National to Keflavik Intl?
Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$291+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Keflavik Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik IntlExplore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

Find flight deals from Reagan-National to Keflavik Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in December.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

How can I find direct flights from Reagan-National to Keflavik Intl?

Can I find deals for business class flights from Reagan-National to Keflavik Intl?

Traveling to a place near Reykjavik Keflavik Intl Airport?

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Alternative routes for Reagan-National to Keflavik Intl

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Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.